//
//  CalculatorEx.h
//  Demo0009
//
//  Created by zTercel on 13-1-3.
//  Copyright (c) 2013年 zTercel. All rights reserved.
//

#import "Calculator.h"

@interface Calculator (CalculatorEx)

-(int) add: (int)left right: (int) right;
-(int) sub: (int)left right: (int) right;

-(int) mul: (int)left right: (int) right;
-(int) div: (int)left right: (int) right;
-(int) mod: (int)left right: (int) right;


@end
